Search results for: E. Piesowicz

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Piesowicz</title> <meta name="description" content="Search results for: E. Piesowicz"> <meta name="keywords" content="E. Piesowicz"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="E. 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Piesowicz"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: E. Piesowicz</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Improved Mechanical and Electrical Properties and Thermal Stability of Post-Consumer Polyethylene Terephthalate Glycol Containing Hybrid System of Nanofillers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iman%20Taraghi">Iman Taraghi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandra%20Paszkiewicz"> Sandra Paszkiewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=Daria%20Pawlikowska"> Daria Pawlikowska</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Szymczyk"> Anna Szymczyk</a>, <a href="https://publications.waset.org/abstracts/search?q=Izabela%20Irska"> Izabela Irska</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafal%20Stanik"> Rafal Stanik</a>, <a href="https://publications.waset.org/abstracts/search?q=Amelia%20Linares"> Amelia Linares</a>, <a href="https://publications.waset.org/abstracts/search?q=Tiberio%20A.%20Ezquerra"> Tiberio A. Ezquerra</a>, <a href="https://publications.waset.org/abstracts/search?q=El%C5%BCbieta%20Piesowicz"> Elżbieta Piesowicz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, the massive use of thermoplastic materials in industrial applications causes huge amounts of polymer waste. The poly (ethylene glycol-co-1,4-cyclohexanedimethanol terephthalate) (PET-G) has been widely used in food packaging and polymer foils. In this research, the PET-G foils have been recycled and reused as a matrix to combine with different types of nanofillers such as carbon nanotubes, graphene nanoplatelets, and nanosized carbon black. The mechanical and electrical properties, as well as thermal stability and thermal conductivity of the PET-G, improved along with the addition of the aforementioned nanofillers and hybrid system of them. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=polymer%20hybrid%20nanocomposites" title="polymer hybrid nanocomposites">polymer hybrid nanocomposites</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanofillers" title=" carbon nanofillers"> carbon nanofillers</a>, <a href="https://publications.waset.org/abstracts/search?q=recycling" title=" recycling"> recycling</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20performance" title=" physical performance"> physical performance</a> </p> <a href="https://publications.waset.org/abstracts/154938/improved-mechanical-and-electrical-properties-and-thermal-stability-of-post-consumer-polyethylene-terephthalate-glycol-containing-hybrid-system-of-nanofillers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154938.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">136</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Relationship between Functional Properties and Supramolecular Structure of the Poly(Trimethylene 2,5-Furanoate) Based Multiblock Copolymers with Aliphatic Polyethers or Aliphatic Polyesters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Paszkiewicz">S. Paszkiewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Zubkiewicz"> A. Zubkiewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Szymczyk"> A. Szymczyk</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Pawlikowska"> D. Pawlikowska</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Irska"> I. Irska</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Piesowicz"> E. Piesowicz</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Linares"> A. Linares</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20A.%20Ezquerra"> T. A. Ezquerra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over the last century, the world has become increasingly dependent on oil as its main source of chemicals and energy. Driven largely by the strong economic growth of India and China, demand for oil is expected to increase significantly in the coming years. This growth in demand, combined with diminishing reserves, will require the development of new, sustainable sources for fuels and bulk chemicals. Biomass is an attractive alternative feedstock, as it is widely available carbon source apart from oil and coal. Nowadays, academic and industrial research in the field of polymer materials is strongly oriented towards bio-based alternatives to petroleum-derived plastics with enhanced properties for advanced applications. In this context, 2,5-furandicarboxylic acid (FDCA), a biomass-based chemical product derived from lignocellulose, is one of the most high-potential biobased building blocks for polymers and the first candidate to replace the petro-derived terephthalic acid. FDCA has been identified as one of the top 12 chemicals in the future, which may be used as a platform chemical for the synthesis of biomass-based polyester. The aim of this study is to synthesize and characterize the multiblock copolymers containing rigid segments of poly(trimethylene 2,5-furanoate) (PTF) and soft segments of poly(tetramethylene oxide) (PTMO) with excellent elastic properties or aliphatic polyesters of polycaprolactone (PCL). Two series of PTF based copolymers, i.e., PTF-block-PTMO-T and PTF-block-PCL-T, with different content of flexible segments were synthesized by means of a two-step melt polycondensation process and characterized by various methods. The rigid segments of PTF, as well as the flexible PTMO/or PCL ones, were randomly distributed along the chain. On the basis of 1H NMR, SAXS and WAXS, DSC an DMTA results, one can conclude that both phases were thermodynamically immiscible and the values of phase transition temperatures varied with the composition of the copolymer. The copolymers containing 25, 35 and 45wt.% of flexible segments (PTMO) exhibited elastomeric property characteristics. Moreover, with respect to the flexible segments content, the temperatures corresponding to 5%, 25%, 50% and 90% mass loss as well as the values of tensile modulus decrease with the increasing content of aliphatic polyether or aliphatic polyester in the composition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=furan%20based%20polymers" title="furan based polymers">furan based polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=multiblock%20copolymers" title=" multiblock copolymers"> multiblock copolymers</a>, <a href="https://publications.waset.org/abstracts/search?q=supramolecular%20structure" title=" supramolecular structure"> supramolecular structure</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20properties" title=" functional properties"> functional properties</a> </p> <a href="https://publications.waset.org/abstracts/111099/relationship-between-functional-properties-and-supramolecular-structure-of-the-polytrimethylene-25-furanoate-based-multiblock-copolymers-with-aliphatic-polyethers-or-aliphatic-polyesters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111099.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">129</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Modification of Aliphatic-Aromatic Copolyesters with Polyether Block for Segmented Copolymers with Elastothemoplastic Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Irska">I. Irska</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Paszkiewicz"> S. Paszkiewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Pawlikowska"> D. Pawlikowska</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Piesowicz"> E. Piesowicz</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Linares"> A. Linares</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20A.%20Ezquerra"> T. A. Ezquerra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the number of advantages such as high tensile strength, sensitivity to hydrolytic degradation, and biocompatibility poly(lactic acid) (PLA) is one of the most common polyesters for biomedical and pharmaceutical applications. However, PLA is a rigid, brittle polymer with low heat distortion temperature and slow crystallization rate. In order to broaden the range of PLA applications, it is necessary to improve these properties. In recent years a number of new strategies have been evolved to obtain PLA-based materials with improved characteristics, including manipulation of crystallinity, plasticization, blending, and incorporation into block copolymers. Among the other methods, synthesis of aliphatic-aromatic copolyesters has been attracting considerable attention as they may combine the mechanical performance of aromatic polyesters with biodegradability known from aliphatic ones. Given the need for highly flexible biodegradable polymers, in this contribution, a series of aromatic-aliphatic based on poly(butylene terephthalate) and poly(lactic acid) (PBT-b-PLA) copolyesters exhibiting superior mechanical properties were copolymerized with an additional poly(tetramethylene oxide) (PTMO) soft block. The structure and properties of both series were characterized by means of attenuated total reflectance – Fourier transform infrared spectroscopy (ATR-FTIR), nuclear magnetic resonance spectroscopy (¹H NMR), differential scanning calorimetry (DSC), wide-angle X-ray scattering (WAXS) and dynamic mechanical, thermal analysis (DMTA). Moreover, the related changes in tensile properties have been evaluated and discussed. Lastly, the viscoelastic properties of synthesized poly(ester-ether) copolymers were investigated in detail by step cycle tensile tests. The block lengths decreased with the advance of treatment, and the block-random diblock terpolymers of (PBT-ran-PLA)-b-PTMO were obtained. DSC and DMTA analysis confirmed unambiguously that synthesized poly(ester-ether) copolymers are microphase-separated systems. The introduction of polyether co-units resulted in a decrease in crystallinity degree and melting temperature. X-ray diffraction patterns revealed that only PBT blocks are able to crystallize. The mechanical properties of (PBT-ran-PLA)-b-PTMO copolymers are a result of a unique arrangement of immiscible hard and soft blocks, providing both strength and elasticity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aliphatic-aromatic%20copolymers" title="aliphatic-aromatic copolymers">aliphatic-aromatic copolymers</a>, <a href="https://publications.waset.org/abstracts/search?q=multiblock%20copolymers" title=" multiblock copolymers"> multiblock copolymers</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20behavior" title=" phase behavior"> phase behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=thermoplastic%20elastomers" title=" thermoplastic elastomers"> thermoplastic elastomers</a> </p> <a href="https://publications.waset.org/abstracts/111230/modification-of-aliphatic-aromatic-copolyesters-with-polyether-block-for-segmented-copolymers-with-elastothemoplastic-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111230.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">139</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div 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Search results for: E. Piesowicz